131033120213 has 4 divisors (see below), whose sum is σ = 131576826348. Its totient is φ = 130489414080.

The previous prime is 131033120203. The next prime is 131033120233. The reversal of 131033120213 is 312021330131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 312021330131 = 7 ⋅44574475733.

It can be written as a sum of positive squares in 2 ways, for example, as 64220175889 + 66812944324 = 253417^2 + 258482^2 .

It is a cyclic number.

It is not a de Polignac number, because 131033120213 - 2⁸ = 131033119957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131033120203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 271852706 + ... + 271853187.

It is an arithmetic number, because the mean of its divisors is an integer number (32894206587).

Almost surely, 2^131033120213 is an apocalyptic number.

It is an amenable number.

131033120213 is a deficient number, since it is larger than the sum of its proper divisors (543706135).

131033120213 is an equidigital number, since it uses as much as digits as its factorization.

131033120213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543706134.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 131033120213 its reverse (312021330131), we get a palindrome (443054450344).

The spelling of 131033120213 in words is "one hundred thirty-one billion, thirty-three million, one hundred twenty thousand, two hundred thirteen".